<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .seach{
            width: 381px;
            position: relative;
            height: 30px;

        }
        input,button{
            box-sizing: border-box;
            font-family: inherit;
            outline: none;
        
        }
        input{
            background: url(img/camera.png) no-repeat right 6px top 6px;
            
            height: 30px;
            width: 300px;
            outline: none;
            border: 1px red solid;
        }
        button{
            cursor: pointer;
            width: 80px;
            height: 30px;
            border: 0px;
            background-color: red;

        }
      
        
         .wenjian{
             cursor: pointer;
         
              position:absolute;
            right: 86px;
            opacity: 0;
            width: 20px;
            height: 20px;
        }

    </style>
</head>
<body>
    <div class="seach"><input type="text"><button>搜索</button>
    <input class="wenjian " type="file">
</div>
</body>
</html>